The simplistic Salas low voltage shunt regulator - Page 151

Salas · 7th November 2009, 02:39 AM

Quote:

Originally Posted by Tham

Any suggestion where I should start troubleshooting?

Small transistors first.

Tham · 7th November 2009, 02:47 AM

Will do that. Thanks

ikoflexer · 7th November 2009, 02:52 AM

Quote:

Originally Posted by Tham

Salas/Iko, one of my 24v v1.5 shunt powering a dac failed last night

...both Mosfets are cold. Vin is 36v and Vout is 33v.

Any suggestion where I should start troubleshooting?

What salas said is most likely.

Can you measure the voltage at a few points and post it? Refer to the schematic that you used.

Melon Head · 7th November 2009, 03:24 AM

Quote:

Originally Posted by stormsonic

motor run cap (big cap, too much inductance).
.

I didn't think polypropylene film capacitors had a lot of inductance.

nicoch58 · 7th November 2009, 10:33 AM

Thanh I hope ,as I want use , but big size= induttance.....

quanghao · 17th November 2009, 02:47 AM

The Salas low shunt is very wonderful. I use for DAC , It is ver good!
you can see in board
! thank Salas!

quanghao · 17th November 2009, 02:55 AM

And finis

ikoflexer · 17th November 2009, 03:05 AM

Looks nice!

quanghao · 17th November 2009, 03:13 AM

Quote:

Originally Posted by ikoflexer

Looks nice!

I gift to you one board, You can sent for mee your Adress, and information!
thank!

Melon Head · 17th November 2009, 10:27 AM

OK I am definitely interested in those boards.
How about a group buy

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7th November 2009, 02:47 AM	#1502
Tham diyAudio Member Join Date: Jun 2006	Will do that. Thanks

7th November 2009, 10:33 AM	#1505
nicoch58 diyAudio Member Join Date: Oct 2004	Thanh I hope ,as I want use , but big size= induttance.....

17th November 2009, 03:05 AM	#1508
ikoflexer diyAudio Moderator Join Date: May 2008 Location: Toronto	Looks nice!

17th November 2009, 10:27 AM	#1510
Melon Head Formerly Thanh1973 Join Date: Nov 2006	OK I am definitely interested in those boards. How about a group buy

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